EP2864014A4 - Fine fiber filter media and processes - Google Patents

Fine fiber filter media and processes

Info

Publication number
EP2864014A4
EP2864014A4 EP13807086.7A EP13807086A EP2864014A4 EP 2864014 A4 EP2864014 A4 EP 2864014A4 EP 13807086 A EP13807086 A EP 13807086A EP 2864014 A4 EP2864014 A4 EP 2864014A4
Authority
EP
European Patent Office
Prior art keywords
processes
filter media
fiber filter
fine fiber
fine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13807086.7A
Other languages
German (de)
French (fr)
Other versions
EP2864014A1 (en
EP2864014B1 (en
Inventor
Stephen T Cox
William S Freeman
Abdoulaye Doucoure
John A Wertz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hollingsworth and Vose Co
Original Assignee
Hollingsworth and Vose Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US13/528,796 external-priority patent/US10155186B2/en
Application filed by Hollingsworth and Vose Co filed Critical Hollingsworth and Vose Co
Publication of EP2864014A1 publication Critical patent/EP2864014A1/en
Publication of EP2864014A4 publication Critical patent/EP2864014A4/en
Application granted granted Critical
Publication of EP2864014B1 publication Critical patent/EP2864014B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/355—Conveyors for extruded articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/14—Filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
EP13807086.7A 2012-06-20 2013-06-20 Fine fiber filter media and processes Active EP2864014B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/528,796 US10155186B2 (en) 2010-12-17 2012-06-20 Fine fiber filter media and processes
PCT/US2013/046746 WO2013192392A1 (en) 2012-06-20 2013-06-20 Fine fiber filter media and processes

Publications (3)

Publication Number Publication Date
EP2864014A1 EP2864014A1 (en) 2015-04-29
EP2864014A4 true EP2864014A4 (en) 2016-02-17
EP2864014B1 EP2864014B1 (en) 2019-12-11

Family

ID=49769374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13807086.7A Active EP2864014B1 (en) 2012-06-20 2013-06-20 Fine fiber filter media and processes

Country Status (3)

Country Link
EP (1) EP2864014B1 (en)
CN (1) CN104582810B (en)
WO (1) WO2013192392A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4218429A3 (en) 2013-03-14 2023-10-11 Altria Client Services LLC Fiber-wrapped smokeless-tobacco product
CA2905062C (en) * 2013-03-15 2021-03-30 Altria Client Services Llc Pouch material for smokeless tobacco and tobacco substitute products
US10828587B2 (en) 2015-04-17 2020-11-10 Hollingsworth & Vose Company Stable filter media including nanofibers
US11452959B2 (en) 2018-11-30 2022-09-27 Hollingsworth & Vose Company Filter media having a fine pore size distribution

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012150964A1 (en) * 2010-12-17 2012-11-08 Hollingsworth & Vose Company Fine fiber filter media and processes

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5401446A (en) 1992-10-09 1995-03-28 The University Of Tennessee Research Corporation Method and apparatus for the electrostatic charging of a web or film
US6034008A (en) * 1996-08-19 2000-03-07 E. I. Du Pont De Nemours And Company Flash-spun sheet material
CN1134280C (en) * 1997-09-29 2004-01-14 唐纳森公司 Filter material construction and method
US20040135274A1 (en) * 1998-03-16 2004-07-15 Shigenobu Matsuda Microporous membrane
CN101387014B (en) * 2000-09-05 2015-08-26 唐纳森公司 Polymer, polymer microfiber is tieed up, polymer nanofiber and the purposes comprising filtration device structure
US20040038014A1 (en) * 2002-08-20 2004-02-26 Donaldson Company, Inc. Fiber containing filter media
EP1796822A4 (en) * 2004-10-06 2008-09-17 Res Foundation Suny High flux and low fouling filtration media
US7717975B2 (en) * 2005-02-16 2010-05-18 Donaldson Company, Inc. Reduced solidity web comprising fiber and fiber spacer or separation means
US7740786B2 (en) * 2005-12-15 2010-06-22 Kimberly-Clark Worldwide, Inc. Process for making necked nonwoven webs having improved cross-directional uniformity
US8608817B2 (en) 2007-11-09 2013-12-17 Hollingsworth & Vose Company Meltblown filter medium
CN101952210B (en) * 2007-12-31 2013-05-29 3M创新有限公司 Fluid filtration articles and methods of making and using the same
KR101735543B1 (en) * 2009-05-20 2017-05-15 질레코 인코포레이티드 Processing biomass
US8679218B2 (en) * 2010-04-27 2014-03-25 Hollingsworth & Vose Company Filter media with a multi-layer structure

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012150964A1 (en) * 2010-12-17 2012-11-08 Hollingsworth & Vose Company Fine fiber filter media and processes

Also Published As

Publication number Publication date
CN104582810B (en) 2017-04-19
CN104582810A (en) 2015-04-29
EP2864014A1 (en) 2015-04-29
WO2013192392A1 (en) 2013-12-27
EP2864014B1 (en) 2019-12-11

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